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Finding the Fourth Proportional to 361,999.60, 543,077.44 and 109,258.94

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Solution

The fourth proportional to 361,999.60, 543,077.44 and 109,258.94 is: 163,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,999.60 : 543,077.44 = 109,258.94 : x
  2. Step 2: Convert to fraction form
    361,999.60/543,077.44 = 109,258.94/x
  3. Step 3: Cross multiply
    361,999.60x = 543,077.44 × 109,258.94
  4. Step 4: Simplify right side
    361,999.60x = 59,336,065,432.31
  5. Step 5: Solve for x
    x = 59,336,065,432.31/361,999.60
  6. Step 6: Final answer
    x = 163,911.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.